Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 99, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 12, 2002, 2:00 PM CDT for Shawano County, Waupaca County, Wisconsin. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 12, 2002, 2:00 PM CDT (19:00 UTC)
- Expired
- Aug 12, 2002, 2:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
Counties Shawano County, WI, Waupaca County, WI
The radar
The Green Bay radar (KGRB), 52 km from the middle of the area, began a volume at 19:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.0 hours before the alert went out and 53 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 233 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 966 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
890 WUUS53 KGRB 121900 SVRGRB WIC115-135-121945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREEN BAY WI 200 PM CDT MON AUG 12 2002 THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SHAWANO COUNTY IN WISCONSIN NORTHEAST WAUPACA COUNTY IN WISCONSIN * UNTIL 245 PM CDT * AT 200 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM WITH STRONG WINDS AND HAIL. THE STORM WAS LOCATED NEAR CLINTONVILLE. THAT PLACES IT 14 MILES SOUTHWEST OF SHAWANO. IT WAS MOVING NORTHEAST AT 20 MPH. * SOME LOCATIONS THAT WILL BE AFFECTED BY THE STORM INCLUDE... EMBARRASS BY 205 PM CDT. ADAMS BEACH BY 210 PM CDT. BELLE PLAINE BY 215 PM CDT. SHAWANO BY 230 PM CDT. SHAWANO LAKE BY 240 PM CDT. IF YOU ARE IN THE WARNED AREA...PREPARE FOR WINDS IN EXCESS OF 60 MPH...HAIL...AND DEADLY LIGHTNING. SEEK SHELTER IMMEDIATELY. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. LAT...LON 4466 8890 4458 8878 4482 8827 4486 8858 MG
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 11:20 PM CDT | Flash Flood Warning | GRB | Marathon | 6 hr |
| Aug 12, 3:01 PM CDT | Special Marine Warning | GRB | 29 min | |
| Aug 12, 3:19 PM CDT | Severe Thunderstorm Warning | GRB | Door | 41 min |
| Aug 12, 3:24 PM CDT | Special Marine Warning | GRB | 66 min | |
| Aug 12, 3:24 PM CDT | Special Marine Warning | GRB | 66 min | |
| Aug 12, 4:27 PM CDT | Special Marine Warning | GRB | 78 min | |
| Aug 12, 4:27 PM CDT | Special Marine Warning | GRB | 78 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.